The Cobbles topographic map

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New York's wilderness areas must be composed of 10,000 acres (4,000 ha; 40 km2) of contiguous land, twice the federal standard. Land is to be left as "untrammeled by man" and as close to its natural state as possible, offering outstanding opportunities for solitude. No artificially-powered devices are…

Average elevation: 1,644 ft

The construction of the Erie Canal was a landmark civil engineering achievement in the early history of the United States. When built, the 363-mile (584 km) canal was the second-longest in the world (after the Grand Canal in China). Initially 40 feet (12 m) wide and 4 feet (1.2 m) deep, the canal was expanded…

Average elevation: 581 ft

Average elevation: 614 ft

Average elevation: 1,375 ft

Chautauqua Lake, at an elevation of 1,308 feet (399 m) above sea level, is higher than any of the Finger Lakes. It is also one of the highest navigable lakes in North America. The lake's water level is regulated by Warner Dam, with the water level lifted during the summer to allow for recreational boat use and…

Average elevation: 1,519 ft

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Only a small creek (Irondequoit Creek) flows in what is left of this large paleogeologic valley. The area of the lower river was also affected. Since the earth rebounded from the melting glaciers more rapidly in Canada than in New York, water from Lake Ontario was spilled over New York due to its lower…

Average elevation: 1,302 ft

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The initial plan was to raise the elevation of the land by filling for three years and then to redevelop it as a multi-use area with residential, recreational, and industrial components. However, three years turned into fifty years. New York City's population was growing and generating more trash and it was…

Average elevation: 36 ft

Average elevation: 157 ft

Average elevation: 381 ft

Because of their abrupt, hilly topography, pedestrian navigation in Upper Manhattan is facilitated by many step streets. The longest of these in Washington Heights, at approximately 130 stairs and with an elevation gain of approximately 65 feet, connects Fort Washington Avenue and Overlook Terrace at 187th…

Average elevation: 82 ft

Average elevation: 1,214 ft

Average elevation: 597 ft

Average elevation: 866 ft

Around 1907, contractor Michael Degnon, whose firm constructed the Williamsburg Bridge, the Cape Cod Canal, and the Steinway subway tunnel (used by today's 7 and <7>​ trains), purchased large tracts of marsh near Flushing Creek. At the time, the land was considered "all but worthless". Degnon envisioned…

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Average elevation: 1,184 ft

Numerous winter activities exist along with active wildlife and forestry conservation projects. Guided tours available by the Park Rangers. There is a diverse topography, from flat wetlands to rolling hills, to steep mountainside. The Mahwah River flows southwesterly the length of the park approximately 2,500…

Average elevation: 489 ft

Average elevation: 758 ft

Average elevation: 105 ft

Chestertown is located at 43°39′09″N 073°48′03″W / 43.65250°N 73.80083°W / 43.65250; -73.80083 (43.6525664, -73.8009597) and its elevation is 896 feet (273 m). The ZIP code is 12817 and it is in the Eastern Time Zone. The nearest city is Glens Falls.

Average elevation: 1,007 ft

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The hamlet of Altona is located in the northern part of the town of Altona at 44°53′24″N 73°39′9″W / 44.89000°N 73.65250°W / 44.89000; -73.65250 (44.890096, -73.65272). The Great Chazy River flows along the southeastern edge of the hamlet, dropping 150 feet (46 m) in elevation in 1.7 miles…

Average elevation: 643 ft

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Average elevation: 400 ft

Average elevation: 876 ft

Average elevation: 20 ft

At this time, the community did not have a post office, so residents had to pick up their mail in the village of Hempstead. After Pagan petitioned authorities for a post office, he was appointed postmaster and it was based in his farmhouse, now known as the Pagan-Fletcher House. He was advised that the…

Average elevation: 23 ft

Average elevation: 971 ft

Average elevation: 282 ft